Computer Mouse Information
Computer mouse
information , The humble computer mouse that we take for granted
has come a long way since it was first invented in 1963 by
Douglas Englebart. It made it’s first major appearance on an
Apple Mac called the Lisa around 1973.
Today there are many
various types of computer mouse , they are available in many
colours and design, with everything from plain, to high tech,
through to car designs ( such as the Audi TT mouse I’m using).
Apart from all this are really only two types of mouse
available, the first original type is called the mechanical
mouse often referred to as the ball mouse which moves the cursor
on the screen as the ball revolves in relation to its internal
rollers.
Mechanical mice are very robust, but do require periodic
cleaning to remove dirt and grime from rollers and the ball, to
keep them running smooth.
The next type of
computer mouse is the Optical Mouse , sometimes called the laser
mouse, which is not entirely accurate, but this name seems to
have become popular.
The original optical
mice needed to have special mouse mat or pad which had a grid
pattern which was used as a guide for the mouse’s LED. New
optical mice have no such problems and work well on a multitude
of surfaces.
The only drawback of
Optical mice, they don’t work well in bright light or on bright
surfaces. So when looking for a mouse the choice is generally
easy, an optical computer mouse is certainly better than the
mechanical equivalent in most cases.
There have been a
number of variations of each mouse type over the years, these
include the ergonomic mouse which can help with problems such as
RSI by helping you keep your hand in the correct position.
The wireless mouse
has become more prominent over the years, initially it started
out as infrared which was quite hard to use as the mouse had to
always be pointed at the receiver. Later wireless mice come in
mechanical & optical variants, when choosing a wireless mouse,
best again to choose the optical computer mouse type, with
charging ability, otherwise it can prove quite annoying when
normal batteries begin to fail, as the cursor will work and
stop, as the mouse loses wifi connectivity.
Mouse interfacesGenerally
there have been 3 types of interface used by computer mice, the
earliest type was the serial type, this was a 9 pin d-type plug,
the mouse had to be plugged in before the computer started up or
there was no connectivity, it could also not be removed or again
the pc would have to be restarted. It also had to be configured
using its own software.
Next we have the PS/2
type, this was a circular DIN connector and became very popular
in a short space of time, due to its ease of use when setting
up.
And finally we have
the USB interface mouse. The USB mouse is very flexible, and can
be removed while the computer is on, it can also be plugged into
any USB port.
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